128344712

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:342

約数の個数: 64

約数和(自身を含む): 260029440

約数和(自身を除く): 131684728

約数列:

[1, 2, 4, 8, 31, 37, 62, 71, 74, 124, 142, 148, 197, 248, 284, 296, 394, 568, 788, 1147, 1576, 2201, 2294, 2627, 4402, 4588, 5254, 6107, 7289, 8804, 9176, 10508, 12214, 13987, 14578, 17608, 21016, 24428, 27974, 29156, 48856, 55948, 58312, 81437, 111896, 162874, 225959, 325748, 433597, 451918, 517519, 651496, 867194, 903836, 1035038, 1734388, 1807672, 2070076, 3468776, 4140152, 16043089, 32086178, 64172356, 128344712]

約数ペア:

[(1, 128344712), (2, 64172356), (4, 32086178), (8, 16043089), (31, 4140152), (37, 3468776), (62, 2070076), (71, 1807672), (74, 1734388), (124, 1035038), (142, 903836), (148, 867194), (197, 651496), (248, 517519), (284, 451918), (296, 433597), (394, 325748), (568, 225959), (788, 162874), (1147, 111896), (1576, 81437), (2201, 58312), (2294, 55948), (2627, 48856), (4402, 29156), (4588, 27974), (5254, 24428), (6107, 21016), (7289, 17608), (8804, 14578), (9176, 13987), (10508, 12214)]